GS400
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Coilovers
98-05 Lexus GS300 – Kontrol Pro Coilovers
The Ksport Kontrol Pro Lexus GS300 Coilovers provide the ultimate in suspension technology for your vehicle both on the street and at the track. Featuring 36 levels of damping adjustment, Kontrol Pro allows you to easily dial in your system for both handling and comfort. For those seeking a lowered stance as well as improved handling and response at a high value, the Ksport Kontrol Pro Coilover Kit is the perfect choice.
The Ksport Kontrol Pro Lexus GS300 Coilovers provi...(0 reviews) -
Coilovers
98-05 Lexus GS300 – Kontrol Sport Coilovers
An enhanced version of our popular Kontrol Pro Coilovers, the Kontrol Sport Lexus GS300 Coilovers build off the key features of our top selling system and adds 30% stiffer valving and spring rates to deliver the same quality with a more aggressive and direct feel. This results in tighter cornering and quicker response times making the Kontrol Sport Coilover Kit an ideal system for aggressive street and intermediate track use.
An enhanced version of our popular Kontrol Pro Coi...(0 reviews) -
Air Suspension Kits
98-05 Lexus GS300 – Airtech Executive Air Suspension
Our top-of-the-line system, the Airtech Executive Lexus GS300 Air Suspension kit includes all of the benefits of our Pro Plus System but adds 4 height sensors that mount to each corner of the car for load leveling based on actual ride height. These sensors automatically adjust your ride height while driving to keep the car level no matter what load the vehicle carries. In addition, Executive kits add independent control of each individual air bag with a remote that can be charged with either the included car charger or any standard mini USB.
Our top-of-the-line system, the Airtech Executive ...(0 reviews) -
Asphalt Rally Spec AR Coilover Kit
98-05 Lexus GS300 – Asphalt Rally Spec AR Coilovers
The Ksport Asphalt Rally Lexus GS300 Coilovers are designed specifically for Asphalt Rally Racing and competition. This system features extended stroke, heavy-duty internals, and simultaneous compression and rebound adjustment. Large diameter pistons inside the shock allow for added oil capacity for increased cooling efficiency and carefully selected spring rates and shock damping settings for each application help to stabilize the vehicle and easily absorb bumps caused by uneven roads.
The Ksport Asphalt Rally Lexus GS300 Coilovers are...(0 reviews) -
Coilovers
98-05 Lexus GS300 – Version DR Drag Race Coilovers
The Version DR Drag Race Lexus GS300 Coilovers are the ultimate in suspension technology for serious drag racing enthusiasts and professionals. These Drag Racing Coilovers are built off our race proven Version RR Road Race Coilovers with internal changes to accommodate the rigors of drag racing. All Version DR kits are custom valved for drag racing with appropriate spring rates chosen to maximize traction and regulate weight transfer. With proven performance on the drag strip, the Ksport Version DR Drag Race Coilover Kit will reduce Elapsed Time and 60 Ft times making it the ideal suspension system for serious drag race vehicles.
The Version DR Drag Race Lexus GS300 Coilovers are...(0 reviews) -
Coilovers
98-05 Lexus GS300 – Version RR Road Race Coilovers
The Ksport Version RR Road Race Lexus GS300 Coilovers were carefully designed for road racing. The system features aggressive spring rates and shock valving for maximum handling and performance with acute reaction and unparalleled responsiveness on the track. Integrated with 36 levels of damping adjustment, simultaneous compression and rebound adjustment, lightweight aluminum mounts, and pillow ball upper mounts on some applications, the Ksport Version RR Road Race Coilover Kit is the ultimate suspension system for serious road racing.
The Ksport Version RR Road Race Lexus GS300 Coilov...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 14 in. Slotted Rotors – Procomp
The Procomp Lexus GS300 Rear Big Brake Kit is a sophisticated bolt-on brake upgrade designed to enhance brake power under sustained high-heat conditions. All calipers feature 1-piece construction from a solid billet of aircraft grade aluminum for lightweight, unparalleled strength and freedom from corrosion. Calipers also feature aluminum pistons that provide better heat resistance and uncompromised operation. The Procomp Big Brake system is designed for easy installation with minimal tools required in most applications.
Rotor Diameter: 356 (mm) | 14 (in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Slotted
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The Procomp Lexus GS300 Rear Big Brake Kit is a so...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 14 in. Drilled Rotors – Procomp
The Procomp Lexus GS300 Rear Big Brake Kit is a sophisticated bolt-on brake upgrade designed to enhance brake power under sustained high-heat conditions. All calipers feature 1-piece construction from a solid billet of aircraft grade aluminum for lightweight, unparalleled strength and freedom from corrosion. Calipers also feature aluminum pistons that provide better heat resistance and uncompromised operation. The Procomp Big Brake system is designed for easy installation with minimal tools required in most applications.
Rotor Diameter: 356 (mm) | 14 (in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Drilled
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The Procomp Lexus GS300 Rear Big Brake Kit is a so...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 13 in. Slotted Rotors – Procomp
The Procomp Lexus GS300 Rear Big Brake Kit is a sophisticated bolt-on brake upgrade designed to enhance brake power under sustained high-heat conditions. All calipers feature 1-piece construction from a solid billet of aircraft grade aluminum for lightweight, unparalleled strength and freedom from corrosion. Calipers also feature aluminum pistons that provide better heat resistance and uncompromised operation. The Procomp Big Brake system is designed for easy installation with minimal tools required in most applications.
Rotor Diameter: 330 (mm) | 13 (in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Slotted
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The Procomp Lexus GS300 Rear Big Brake Kit is a so...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 13 in. Drilled Rotors – Procomp
The Procomp Lexus GS300 Rear Big Brake Kit is a sophisticated bolt-on brake upgrade designed to enhance brake power under sustained high-heat conditions. All calipers feature 1-piece construction from a solid billet of aircraft grade aluminum for lightweight, unparalleled strength and freedom from corrosion. Calipers also feature aluminum pistons that provide better heat resistance and uncompromised operation. The Procomp Big Brake system is designed for easy installation with minimal tools required in most applications.
Rotor Diameter: 330 (mm) | 13 (in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Drilled
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The Procomp Lexus GS300 Rear Big Brake Kit is a so...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 14 in. Slotted Rotors – Dualcomp
The all new Ksport Dualcomp Lexus GS300 Big Brake Kit is the ultimate all-in-one Dual Caliper solution. Designed with Drifting and Rally Racing in mind, the Dualcomp system utilizes a single 4 Pot caliper, with 2 pots used for the foot brake and 2 pots used for the handbrake. Each runs independent from the other on its own system. The Dualcomp Big Brake Kit is a complete bolt-on system that comes with everything needed for installation, including: Calipers, Floating Brake Disc, Brake Pads, and all required hardware. This is a Formula Drift legal Big Brake kit.
Rotor Diameter: 356 (mm) | 14(in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Slotted
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The all new Ksport Dualcomp Lexus GS300 Big Brake ...(0 reviews) -
Big Brake Kits
98-05 Lexus GS300 – Rear 4 Piston Big Brake Kit w/ 14 in. Drilled Rotors – Dualcomp
The all new Ksport Dualcomp Lexus GS300 Big Brake Kit is the ultimate all-in-one Dual Caliper solution. Designed with Drifting and Rally Racing in mind, the Dualcomp system utilizes a single 4 Pot caliper, with 2 pots used for the foot brake and 2 pots used for the handbrake. Each runs independent from the other on its own system. The Dualcomp Big Brake Kit is a complete bolt-on system that comes with everything needed for installation, including: Calipers, Floating Brake Disc, Brake Pads, and all required hardware. This is a Formula Drift legal Big Brake kit.
Rotor Diameter: 356 (mm) | 14(in)
Position: Rear
Caliper Type: 4 Piston
Rotor Style: Drilled
Note: Ksport Big Brake kits fit 2WD vehicles only unless otherwise stated.The all new Ksport Dualcomp Lexus GS300 Big Brake ...(0 reviews)













